(*2)"UWL-100 Achromat Type1" (or + Dome Lens Unit for UWL-100) is only compatible when using Sony "DSC-W300" which is equipped with standard 35mm master lens (focal length is 35mm at wide end) but not usable when using Sony "DSC-W170/W150" which has wide master lens (28mm/30mm focal length at wide end). Compatible lenses for Sony "DSC-W170/W150" are "UCL-330"/"UCL-165M67" close-up lens.

As same as other INON Mount Bases and Optical D Cable Cap Sets, "M67 Mount Base・WD"/"Optical D Cable・Cap W43 Set with Clear Photo System Film" is exclusively designed for specific camera/housing including careful compatibility test to;

Optimize high quality lens performance for high quality macro/wide shot and

(design attachment lens layout for best suited distance from camera’s master lens which is vary among different camera/housing models)

INON system is completely different from those versatile products and simple yet reliable to provide "high quality image"/"highly accurate S-TTL Auto" to support every level of underwater photographers.